One who systematically blocks or interrupts a process,especially one who attempts to impede passage of legislation by the use of delaying tactics,such as a filibuster.

• 有组织的妨害议事的人有组织地阻碍或打断进程一个人，尤其是意在阻碍提案通过，借助一些延后的策略，如冗长的演说。